Consider the following Data Frame:
ITENS <-c("A","B","C","D","E")
Q.1 <-c(10,20,10,40,10)
Q.2 <-c(5,25,0,50,10)
Q.3 <-c(15,20,5,40,10)
Q.4 <-c(15,30,5,30,5)
Q.5 <-c(20,25,5,20,15)
Q.6 <-c(10,20,10,40,10)
df <- data.fram...
asked by
10.05.2018 / 02:37